Flap gate

Details Flap gate Flap gate

1974-06-10

1976-02-03

Taylor, Dennis L.

E02B 740

Patent

active

039357112

ABSTRACT:
A flap gate including a water gate door body of closed shell structure having a substantially rectangular vertical transverse cross-section with its bottom edge in the lengthwise direction being detachably supported on pivotal supports in such manner that said water gate door body can be freely erected and laid, is characterized in that the width a of said vertical transverse cross-section is selected one-sixteenths or less times as small as the distance b between said pivotal supports, and that when said water gate door body is vertically erected, a contact surface along the bottom edge of said door is brought in contact with a bank wall and also restrained by said pivotal supports so as not to separate from said bank wall.

REFERENCES:
patent: 109899 (1870-12-01), Heath
patent: 194922 (1877-09-01), Marshall
patent: 1223763 (1917-04-01), Buchholz
patent: 2192510 (1940-03-01), Smith
patent: 3543521 (1970-12-01), Aubert

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